AS4643 161.43.42.0/24 CIDR and IP Range Summary.ASN: 4643 - Optus Customer NetworkHost Count: 254Addressable IPs: 256 161.43.42.0161.43.42.1161.43.42.2161.43.42.3161.43.42.4161.43.42.5161.43.42.6161.43.42.7161.43.42.8161.43.42.9161.43.42.10161.43.42.11161.43.42.12161.43.42.13161.43.42.14161.43.42.15161.43.42.16161.43.42.17161.43.42.18161.43.42.19161.43.42.20161.43.42.21161.43.42.22161.43.42.23161.43.42.24161.43.42.25161.43.42.26161.43.42.27161.43.42.28161.43.42.29161.43.42.30161.43.42.31161.43.42.32161.43.42.33161.43.42.34161.43.42.35161.43.42.36161.43.42.37161.43.42.38161.43.42.39161.43.42.40161.43.42.41161.43.42.42161.43.42.43161.43.42.44161.43.42.45161.43.42.46161.43.42.47161.43.42.48161.43.42.49161.43.42.50161.43.42.51161.43.42.52161.43.42.53161.43.42.54161.43.42.55161.43.42.56161.43.42.57161.43.42.58161.43.42.59161.43.42.60161.43.42.61161.43.42.62161.43.42.63161.43.42.64161.43.42.65161.43.42.66161.43.42.67161.43.42.68161.43.42.69161.43.42.70161.43.42.71161.43.42.72161.43.42.73161.43.42.74161.43.42.75161.43.42.76161.43.42.77161.43.42.78161.43.42.79161.43.42.80161.43.42.81161.43.42.82161.43.42.83161.43.42.84161.43.42.85161.43.42.86161.43.42.87161.43.42.88161.43.42.89161.43.42.90161.43.42.91161.43.42.92161.43.42.93161.43.42.94161.43.42.95161.43.42.96161.43.42.97161.43.42.98161.43.42.99161.43.42.100161.43.42.101161.43.42.102161.43.42.103161.43.42.104161.43.42.105161.43.42.106161.43.42.107161.43.42.108161.43.42.109161.43.42.110161.43.42.111161.43.42.112161.43.42.113161.43.42.114161.43.42.115161.43.42.116161.43.42.117161.43.42.118161.43.42.119161.43.42.120161.43.42.121161.43.42.122161.43.42.123161.43.42.124161.43.42.125161.43.42.126161.43.42.127161.43.42.128161.43.42.129161.43.42.130161.43.42.131161.43.42.132161.43.42.133161.43.42.134161.43.42.135161.43.42.136161.43.42.137161.43.42.138161.43.42.139161.43.42.140161.43.42.141161.43.42.142161.43.42.143161.43.42.144161.43.42.145161.43.42.146161.43.42.147161.43.42.148161.43.42.149161.43.42.150161.43.42.151161.43.42.152161.43.42.153161.43.42.154161.43.42.155161.43.42.156161.43.42.157161.43.42.158161.43.42.159161.43.42.160161.43.42.161161.43.42.162161.43.42.163161.43.42.164161.43.42.165161.43.42.166161.43.42.167161.43.42.168161.43.42.169161.43.42.170161.43.42.171161.43.42.172161.43.42.173161.43.42.174161.43.42.175161.43.42.176161.43.42.177161.43.42.178161.43.42.179161.43.42.180161.43.42.181161.43.42.182161.43.42.183161.43.42.184161.43.42.185161.43.42.186161.43.42.187161.43.42.188161.43.42.189161.43.42.190161.43.42.191161.43.42.192161.43.42.193161.43.42.194161.43.42.195161.43.42.196161.43.42.197161.43.42.198161.43.42.199161.43.42.200161.43.42.201161.43.42.202161.43.42.203161.43.42.204161.43.42.205161.43.42.206161.43.42.207161.43.42.208161.43.42.209161.43.42.210161.43.42.211161.43.42.212161.43.42.213161.43.42.214161.43.42.215161.43.42.216161.43.42.217161.43.42.218161.43.42.219161.43.42.220161.43.42.221161.43.42.222161.43.42.223161.43.42.224161.43.42.225161.43.42.226161.43.42.227161.43.42.228161.43.42.229161.43.42.230161.43.42.231161.43.42.232161.43.42.233161.43.42.234161.43.42.235161.43.42.236161.43.42.237161.43.42.238161.43.42.239161.43.42.240161.43.42.241161.43.42.242161.43.42.243161.43.42.244161.43.42.245161.43.42.246161.43.42.247161.43.42.248161.43.42.249161.43.42.250161.43.42.251161.43.42.252161.43.42.253161.43.42.254161.43.42.255